umat practice q's help (1 Viewer)

[asha1234]

yea....i dont seem to get your messages until i send mine......well im from nz but i think u can help me. how do u find the z value on a graphical calculator, e.g the z value for a 90% confidence interval

 

[prime-factor]

>>new thread icon at top of page.

I'm off for tonight. If ur stats q hasn't been answered tomoz morning, I'll check it out. Good luck. and thanks for ur help with the umat q's. greatly appreciated.

 

[asha1234]

sorry for being a moron